diff --git a/src/wp-admin/css/nav-menus.css b/src/wp-admin/css/nav-menus.css
index 472abb10617bf..9704982d46879 100644
--- a/src/wp-admin/css/nav-menus.css
+++ b/src/wp-admin/css/nav-menus.css
@@ -376,7 +376,6 @@ input.bulk-select-switcher:focus + .bulk-select-button-label {
 
 /* Add Menu Item Boxes */
 .postbox .howto input,
-.customlinkdiv .menu-item-textbox,
 .customlinkdiv .error-message {
 	width: 180px;
 	float: right;
@@ -474,10 +473,9 @@ input.bulk-select-switcher:focus + .bulk-select-button-label {
 }
 
 .menu-item-textbox {
-	width: 180px;
+	width: 100%;
 }
 
-.customlinkdiv label,
 .nav-menus-php .howto span {
 	float: left;
 	margin-top: 6px;